Year	DOD, current US$
1970	197359339.6
1971	1175689697.2
1972	1395653073.2
1973	1743024232.9
1974	2012124078.5
1975	2341885515.9
1976	2702042734.3
1977	3470565760.5
1978	4369042063.2
1979	4204051877.4
1980	5242016814.1
1981	5759615136.2
1982	6133770760.5
1983	6801895296.1
1984	7164254486.9
1985	9095920165.8
1986	4897634852.6
1987	5503879743.6
1988	6009342992.5
1989	5850572265.1
1990	6433296456.8
1991	6559510656.2
1992	6669441127.1
1993	6769309416.1
1994	7228012552.6
1995	7370950562.9
1996	7344102230.6
1997	7110106281.7
1998	7513384451.4
1999	7917712561.6
2000	7199694579.5
2001	6529484896.2
2002	7166286410.9
2003	7331000393.2
2004	8640785964.2
2005	8435259794.2
2006	4117816817
2007	5057655620.9
2008	6058968074.4
2009	7774208715.6
2010	8937227659.9
2011	10168038466.1
2012	12050138174.6
2013	13998265660.1
2014	16234341798.8
2015	18159958605.5
2016	19449737095.6
2017	21430961125.5
2018	22362710249.4
2019	24173647390.3
2020	25546402957.4
2021	28505860518.6
2022	30169601612